66380691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 101832192

約数和(自身を除く): 35451501

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 559, 897, 989, 1677, 1721, 2967, 5163, 12857, 22373, 38571, 39583, 67119, 74003, 118749, 222009, 514579, 962039, 1543737, 1702069, 2886117, 5106207, 22126897, 66380691]

約数ペア:

[(1, 66380691), (3, 22126897), (13, 5106207), (23, 2886117), (39, 1702069), (43, 1543737), (69, 962039), (129, 514579), (299, 222009), (559, 118749), (897, 74003), (989, 67119), (1677, 39583), (1721, 38571), (2967, 22373), (5163, 12857)]